146 
General color dark fuscous to black with 
genae, apices of juga, median line on frons, 
median line and slender area along basal 
margin of pronotum, lateral margins and 
apical two-thirds of median line of scutel- 
lum, thoracic sternum, and lower half of 
abdominal venter except on genital segment, 
coxae, basal halves of femora, and tibiae ex- 
cept base and apex, pale to yellowish; cuneus 
pale translucent, inner half reddish, apex 
dark red to almost black. 
FEMALE.—Length 6.00, width 2.40; very 
similar to male, but with dark areas smaller. 
General color yellowish to brownish, dark- 
ened with fuscous; head yellowish with 
bases of juga, and broad mark on frons 
either side of median line, black; pronotum 
brownish, a broad black line at either lateral 
margin and a black ray behind callus on 
either side of pale median line; hemelytra 
rather uniformly fusco-brownish; hind fe- 
mora with very dark brown bands before 
apices, anterior face more or less black 
on apical half. 
Foop PLant.—Black willow (Salix 
nigra). 
Known  DIistrisuTION.—lIllinois, Michi- 
gan, New York,: Nova scotia, Ontario, 
Pennsylvania. 
Illinois Records.—Eleven males and 11 
females, taken June 3 to July 5, are from 
Champaign, Chicago; Grand ~ Detour, 
Homer, Kampsville, Keithsburg, Mount 
Carmel, Rockford, Urbana, Warsaw, White 
Heath. 
Lygidea salicis Knight 
Lygidea salicis Knight (19394, p. 22). 
Mate.—Length 5.60, width 2.20. Ros- 
trum pale, apex black. Antennae with first 
segment black, slender apex pale; second 
fusco-brownish, basal one-fourth black, pu- 
bescence rather short and recumbent; third 
fuscous; fourth almost black. Pronotum 
with disk punctate, transversely rugulose; 
black, collar except behind eyes, median line 
of disk, two blotches behind outer halves 
of calli, disks of calli, narrow area along 
basal margin, and dorsal margin, pale; ven- 
tral one-third of propleura pale. Scutellum 
pale with a wedge-shaped, very dark brown 
mark on either side of median line, meso- 
scutum black. Hemelytra very dark brown, 
embolium except apically, cuneus except red- 
dish spot on apex, pale translucent. Mem- 
brane uniformly dark fuscous, less dark on 
ILLINOIS NATURAL History SURVEY BULLETIN 
Vol. 22, Arte 
area bordering apex of cuneus; veins pale. 
Clavus and corium clothed with pale to sil- 
very, somewhat silky pubescence. Ventral 
surface white to yellowish; a broad, lateral, 
longitudinal stripe on thoracic pleura and 
sides of venter, reddish brown to black. Legs 
pale; hind femora with two subapical red-. 
dish brown annuli; tibial spines yellowish; 
apical segment of each tarsus fuscous. 
FEMALE.—Length 5.90, width 2.30. Very 
similar to male in color and pubescence, but 
pale area on disk of pronotum broader. 
Foop PLAnt.—Peach-leaved willow (Sa- 
lix amygdaloides). 
Known DistrisuTion.—lIllinois, Michi- 
gan, Minnesota, Ontario. 
Hlinois Record.—Ga Lena: 
1932, Dozier.& Mohr, Ware ivon 
June 30, 
Lygidea mendax Reuter 
Apple Redbug, fig. 158. 
Lygidea mendax Reuter (1909, p. 47). 
While not as yet collected in Illinois, this 
bright, orange red species undoubtedly will 
be found along the Rock River and vicinity. 
Fig. 158.—Lygidea mendax, 9. 
